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Q. Explain the Types of Security Service?
Security Services fall into one of the subsequent categories
- Confidentiality: Confirms that the info in a system and transmitted info are accessible only for reading by authorized parties (Data Privacy).
- Integrity: Ensures that merely authorized parties are able to modify computer systems assets and transmitted information (Data has not been altered).
- Authentication: Confirms that the origin of a message or electronic doc is correctly identified with an assurance that the identity isn't false (Who created or sent the data).
Describe in proper details about OSI Model ? Explain the functions and protocols and services of each layer ?
Any protocol used by an internetwork to exchange routing data within an autonomous system. E.g. RIP, IGRP and OSPF.
What are the drawbacks of wireless devices One drawback is security. Every random delivery man who happens to be in building can listen on network. Another weakness is reliabil
Q. What are the basic key functions of data link layer? Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer
Advantages of mobile wireless network over a wired network is it is very much popular, it is very easy to set up, it requires a simple plug and the speed and reliability is very
We use IDSN supports high speed voice, data and video and is a good choice for many small businesses.
Satellite Radio Channels A communication satellite links two or more earth microwave transmitter receiver, know as ground stations. The satellite receives transmission on
Overhead SONET overhead is not added as headers or trailers as we have seen in other protocols. Instead SONET insert overhead at a variety of location in middle of the f
Q. Illustrate about RSA Encryption? RSA Encryption - Public key encryption technique - Encryption steps: - Encode data to be encrypted as a number to create the pla
To monitor ipx traffic on a network, what command would we use? Ans) show ipx traffic
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